19291532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 19728148

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 157, 221, 278, 314, 442, 556, 628, 884, 1807, 2041, 2363, 2669, 3614, 4082, 4726, 5338, 7228, 8164, 9452, 10676, 21823, 30719, 34697, 43646, 61438, 69394, 87292, 122876, 138788, 283699, 370991, 567398, 741982, 1134796, 1483964, 4822883, 9645766, 19291532]

約数ペア:

[(1, 19291532), (2, 9645766), (4, 4822883), (13, 1483964), (17, 1134796), (26, 741982), (34, 567398), (52, 370991), (68, 283699), (139, 138788), (157, 122876), (221, 87292), (278, 69394), (314, 61438), (442, 43646), (556, 34697), (628, 30719), (884, 21823), (1807, 10676), (2041, 9452), (2363, 8164), (2669, 7228), (3614, 5338), (4082, 4726)]